{"id":2603,"date":"2023-11-08T14:30:26","date_gmt":"2023-11-08T14:30:26","guid":{"rendered":"https:\/\/support.selfloops.com\/?post_type=epkb_post_type_1&#038;p=2603"},"modified":"2023-11-08T14:30:27","modified_gmt":"2023-11-08T14:30:27","slug":"the-polarization-index-p-i-making-sense-of-polarized-vs-non-polarized-training","status":"publish","type":"epkb_post_type_1","link":"https:\/\/support.selfloops.com\/?epkb_post_type_1=the-polarization-index-p-i-making-sense-of-polarized-vs-non-polarized-training","title":{"rendered":"The Polarization Index (P.I.), Making Sense of Polarized vs. Non-Polarized Training"},"content":{"rendered":"\t\t<!-- Article Structure Version 2 Style -->\r\n\r\n\t\t<style>\t\t\t \/* DESKTOP *\/ \n#eckb-article-page-container-v2  {\r\n\t\t\t\twidth: 100% }#eckb-article-page-container-v2 #eckb-article-body {\r\n\t\t\t\twidth: 1140px }\r\n\t\t        \/* NO LEFT SIDEBAR *\/\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-body {\r\n\t\t\t\t      grid-template-columns:  0 80% 20%;\r\n\t\t\t\t}\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-left-sidebar {\r\n\t\t\t\t\t\tdisplay:none;\r\n\t\t\t\t}\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-content {\r\n\t\t\t\t\t\tgrid-column-start: 1;\r\n\t\t\t\t\t\tgrid-column-end: 3;\r\n\t\t\t\t\t}\r\n\t\t\t\t \/* TABLET *\/ \n@media only screen and ( max-width: 1025px ) {#eckb-article-page-container-v2  {\r\n\t\t\t\twidth: 100% }#eckb-article-page-container-v2 #eckb-article-body {\r\n\t\t\t\twidth: 100% }\r\n\t\t        \/* NO LEFT SIDEBAR *\/\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-body {\r\n\t\t\t\t      grid-template-columns:  0 60% 20%;\r\n\t\t\t\t}\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-left-sidebar {\r\n\t\t\t\t\t\tdisplay:none;\r\n\t\t\t\t}\r\n\t\t\t\t#eckb-article-page-container-v2 #eckb-article-content {\r\n\t\t\t\t\t\tgrid-column-start: 1;\r\n\t\t\t\t\t\tgrid-column-end: 3;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\r\n\t\t\t\/* SHARED *\/\r\n\t\t\t#eckb-article-page-container-v2 #eckb-article-left-sidebar {\r\n\t\t\t\tpadding: 10px 10px 10px 10px; 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margin-right: 4px; margin-bottom: 4px; margin-left: 4px;\" ><div tabindex=\"0\" class=\"eckb-navigation-button\"  style=\"padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; color: #666666; background-color: #ffffff; font-size:16px;border-radius: 3px; border-style: solid; border-width: 1px; border-color: #dcdcdc;\"  onclick=\"history.go(-1);\" >&lt; Back<\/div><\/div><\/div><div id=\"eckb-article-content-breadcrumb-container\">\r\n<div class=\"eckb-breadcrumb\"  style=\"padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; margin-top: 0px; margin-right: 0px; margin-bottom: 20px; margin-left: 0px; font-size:12px;\" >\t\t\t<div class=\"eckb-breadcrumb-label\">\r\n\t\t\tYou are here:\t\t<\/div>\t\t<nav class=\"eckb-breadcrumb-outline\" aria-label=\"Breadcrumb\">\r\n\t\t<ul class=\"eckb-breadcrumb-nav\">       <li  style=\"font-size:12px;\" >\t<span class=\"eckb-breadcrumb-link\"><a tabindex=\"0\" href=\"https:\/\/support.selfloops.com\/?page_id=231\"><span  style=\"color: #000000;\"  >KB Home<\/span><\/a><span class=\"eckb-breadcrumb-link-icon ep_font_icon_right_arrow\" aria-hidden=\"true\"><\/span>\t<\/span><\/li><li  style=\"font-size:12px;\" >\t<span class=\"eckb-breadcrumb-link\"><a tabindex=\"0\" href=\"https:\/\/support.selfloops.com\/?epkb_post_type_1_category=sport-performance\"><span  style=\"color: #000000;\"  >Sports Performance<\/span><\/a><span class=\"eckb-breadcrumb-link-icon ep_font_icon_right_arrow\" aria-hidden=\"true\"><\/span>\t<\/span><\/li><li  style=\"font-size:12px;\" >\t<span class=\"eckb-breadcrumb-link\"><span aria-current=\"page\" style=\"color: #000000;\"  >The Polarization Index (P.I.), Making Sense of Polarized vs. Non-Polarized Training<\/span>\t<\/span><\/li>\t\t<\/ul>\r\n\t<\/nav>\r\n\r\n<\/div>          <\/div><\/div><div class=\"eckb-article-content-header-row-right-group\"><div id=\"eckb-article-content-toolbar-container\">\r\n\t\t<div class=\"eckb-article-content-toolbar-button-container\">\r\n\t\t\t<span class=\"eckb-print-button-container\">\t\t\t<span class=\"eckb-toolbar-button-text\">Print<\/span><span class=\"eckb-toolbar-button-icon epkbfa epkbfa-print\"><\/span>\t\t\t<\/span>\r\n\t\t<\/div> <\/div><\/div><\/div><div id=\"eckb-article-content-header-row-3\"><div class=\"eckb-article-content-header-row-left-group\">\r\n\t\t<div class=\"eckb-article-content-created-date-container\">\t\t<span class=\"eckb-meta-data-feature-icon epkbfa epkbfa-calendar\"><\/span><span class=\"eckb-meta-data-feature-text\">Created On<\/span><span class=\"eckb-meta-data-feature-value\"><time class=\"entry-date\" datetime=\"2023-11-08T14:30:26+00:00\">November 8, 2023<\/time><\/span>\t\t<\/div> \r\n\t\t<div class=\"eckb-article-content-last-updated-date-container\">\t\t<span class=\"eckb-meta-data-feature-icon epkbfa epkbfa-pencil-square-o\"><\/span><span class=\"eckb-meta-data-feature-text\">Last Updated On<\/span><span class=\"eckb-meta-data-feature-value\"><time class=\"entry-date\" datetime=\"2023-11-08T14:30:27+00:00\">November 8, 2023<\/time><\/span>\t\t<\/div> \r\n\t\t<div class=\"eckb-article-content-author-container\">\t\t<span class=\"eckb-meta-data-feature-icon epkbfa epkbfa-user\"><\/span><span class=\"eckb-meta-data-feature-text\">by<\/span><span class=\"eckb-meta-data-feature-value\">support<\/span>\t\t<\/div> <\/div><\/div><\/div><div id=\"eckb-article-content-body\">\n<p>Endurance athletes and coaches often talk about polarized vs. non-polarized training. But what does this actually mean, and how can you quantify whether a training program is polarized or not? A new metric called the polarization index (PI) aims to provide some clarity.<\/p>\n\n\n\n<p>The polarization index is a simple calculation that looks at the distribution of your training time or distance across three intensity zones:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zone 1: Low intensity<\/li>\n\n\n\n<li>Zone 2: Medium intensity<\/li>\n\n\n\n<li>Zone 3: High intensity<\/li>\n<\/ul>\n\n\n\n<p>To determine the PI<\/p>\n\n\n\n<p>PI = log10(((Zone 1 \/ Zone 2 )* Zone 3) * 100)<\/p>\n\n\n\n<p>If your PI is greater than 2.00, your training distribution is considered polarized. This means the majority of your training volume is spent in Zone 1, with less emphasis on Zones 2 and 3. Non-polarized training distributes volume more evenly across the three zones.<\/p>\n\n\n\n<p>Research has shown that elite endurance athletes tend to follow a polarized training model. Their high volume of low intensity training allows them to absorb the hard workouts and adapt to get stronger. But what PI is ideal? There is no perfect number, as it depends on your specific sport and goals. The PI simply quantifies your polarization.<\/p>\n\n\n\n<p>So in summary, the polarization index is an easy way to calculate whether your training is polarized or not based on time or distance in three intensity zones. It provides an objective measure you can track over time as you refine your training plan for optimal performance. Give it a try!<\/p>\n\n\n\n<p>You can find the PI index in the activity analysis and in the calendar view of the SELFLOOPS website.<\/p>\n\n\n\n<p><strong>Reference<\/strong><\/p>\n\n\n\n<p>Treff, G., Winkert, K., Sareban, M., Steinacker, J. M., &amp; Sperlich, B. (2019). The Polarization-Index: A Simple Calculation to Distinguish Polarized From Non-polarized Training Intensity Distributions.\u00a0<em>Frontiers in physiology<\/em>,\u00a0<em>10<\/em>, 707. https:\/\/doi.org\/10.3389\/fphys.2019.00707<\/p>\n<\/div><div id=\"eckb-article-content-footer\"><\/div>\r\n\t\t        <\/article><!-- \/#eckb-article-content -->     <div id=\"eckb-article-right-sidebar\">\r\n\t\t\t<div class=\"eckb-article-toc eckb-article-toc--position-right eckb-article-toc--bmode-between eckb-article-toc-reset \"\t\t\t\t\r\n\t\t\t\tdata-offset=\"30\"\r\n\t\t\t\tdata-min=\"2\"\r\n\t\t\t\tdata-max=\"6\"\r\n\t\t\t\tdata-speed=\"300\"\r\n\t\t\t\tdata-exclude_class=\"\"\r\n\t\t\t\t><div class=\"eckb-article-toc__title\">Table of Contents<\/div><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<\/div><!-- \/#eckb-article-body -->              <div id=\"eckb-article-footer\"><\/div>\r\n\t\t<\/div><!-- \/#eckb-article-page-container -->\r\n\t\t\r\n\t\t<style id=\"eckb-article-print-styles\">\r\n\t\t\t@media print {\r\n\t\t\t\t@page {\r\n\t\t\t\t\tmargin: 10px 10px 10px 10px!important;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t<\/style>\r\n\t\t<style id=\"eckb-article-styles\" type=\"text\/css\">@media only screen and (max-width: 768px ){\r\t\t\t\t\t        #eckb-article-content-header-row-1,\r\t\t\t\t\t        #eckb-article-content-header-row-2,\r\t\t\t\t\t        #eckb-article-content-header-row-3,\r\t\t\t\t\t        #eckb-article-content-header-row-4,\r\t\t\t\t\t        #eckb-article-content-header-row-5 {\r\t\t\t\t\t            flex-direction:column;\r\t\t\t\t\t        }\r\t\t\t\t\t\t}#eckb-article-content-header-row-1{\r\t\t\t\t\t        margin-bottom: 8px;\r\t\t\t\t\t      }\r\t\t\t\t\r\t\t\t\t\t      #eckb-article-content-header-row-1 .eckb-article-content-header-row-left-group, \r\t\t\t\t\t      #eckb-article-content-header-row-1 .eckb-article-content-header-row-right-group {\r\t\t\t\t\t        align-items: center; \r\t\t\t\t\t      }\r\t\t\t.eckb-article-content-toolbar-button-container {\r\t\t\t\t\tbackground-color: #ffffff;\r\t\t\t\t\tpadding: 10px  10px  10px  10px;\r\t\t\t\t\tmargin: 0px  0px  0px  0px;\r\t\t\t\t\tborder-radius: 0px;\r\t\t\t\t\tborder-width: 0px;\t\r\t\t\t\t\tborder-color: #ffffff;\t\r\t\t\t\t\tborder-style: solid;\r\t\t\t}\r\t\t\t.eckb-article-content-toolbar-button-container .eckb-toolbar-button-text{\r\t\t\t\t\tcolor: #000000;\r\t\t\t\t\tfont-size: 15px;\t\r\t\t\t}\r\t\t\t.eckb-article-content-toolbar-button-container .eckb-toolbar-button-icon{\r\t\t\t\t\tcolor: #000000;\r\t\t\t\t\tfont-size: 20px;\t\r\t\t\t}\r\t\t\t.eckb-article-content-toolbar-button-container:hover {\r\t\t\t\t\tbackground-color: #ffffff;\r\t\t\t}\r\t\t\t.eckb-article-content-toolbar-button-container:hover .eckb-toolbar-button-text{\r\t\t\t\t\tcolor: #000000;\r\t\t\t}\r\t\t\t.eckb-article-content-toolbar-button-container:hover .eckb-toolbar-button-icon{\r\t\t\t\t\tcolor: #000000;\r\t\t\t}#eckb-article-content-header-row-3{\r\t\t\t\t\t        margin-bottom: 32px;\r\t\t\t\t\t      }\r\t\t\t\t\r\t\t\t\t\t      #eckb-article-content-header-row-3 .eckb-article-content-header-row-left-group, \r\t\t\t\t\t      #eckb-article-content-header-row-3 .eckb-article-content-header-row-right-group {\r\t\t\t\t\t        align-items: flex-end; \r\t\t\t\t\t      }\r\t\t\t#eckb-article-body .eckb-article-toc ul a.active {\r\t\t\t\tbackground-color:   #1e73be;\r\t\t\t\tcolor:              #ffffff;\r\t\t\t}\r\t\t\t#eckb-article-body .eckb-article-toc ul a:hover {\r\t\t\t\tbackground-color:   #e1ecf7;\r\t\t\t\tcolor:              #000000;\r\t\t\t}\r\t\t\t#eckb-article-body .eckb-article-toc__inner {\r\t\t\t\tborder-color: #2b98e5;\r\t\t\t\tfont-size: 14px  !important;\r\t\t\t\tbackground-color:   #fcfcfc;\r\t\t\t}\r\t\t\t#eckb-article-body .eckb-article-toc__inner a {\r\t\t\t\tcolor:              #2b98e5;\r\t\t\t\tfont-size: 14px  !important;\r\t\t\t}\r\t\t\t#eckb-article-body .eckb-article-toc__title {\r\t\t\t\tcolor:              #2b98e5;\r\t\t\t\tfont-size: 14px  !important;\r\t\t\t}\r\t\t<\/style>\t\t","protected":false},"excerpt":{"rendered":"<p>How Can We Help? Search &lt; Back You are here: KB Home Sports Performance The Polarization Index (P.I.), Making Sense of Polarized vs. Non-Polarized Training Print Created OnNovember 8, 2023 Last Updated OnNovember 8, 2023 bysupport Endurance athletes and coaches often talk about polarized vs. non-polarized training. But what does this actually mean, and how &hellip; <a href=\"https:\/\/support.selfloops.com\/?epkb_post_type_1=the-polarization-index-p-i-making-sense-of-polarized-vs-non-polarized-training\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;The Polarization Index (P.I.), Making Sense of Polarized vs. Non-Polarized Training&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"epkb_post_type_1_category":[45],"epkb_post_type_1_tag":[],"class_list":["post-2603","epkb_post_type_1","type-epkb_post_type_1","status-publish","hentry","epkb_post_type_1_category-sport-performance"],"_links":{"self":[{"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/2603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1"}],"about":[{"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/types\/epkb_post_type_1"}],"author":[{"embeddable":true,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2603"}],"version-history":[{"count":1,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/2603\/revisions"}],"predecessor-version":[{"id":2604,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/2603\/revisions\/2604"}],"wp:attachment":[{"href":"https:\/\/support.selfloops.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2603"}],"wp:term":[{"taxonomy":"epkb_post_type_1_category","embeddable":true,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_category&post=2603"},{"taxonomy":"epkb_post_type_1_tag","embeddable":true,"href":"https:\/\/support.selfloops.com\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_tag&post=2603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}